package com.snow.campuslink.config;

import com.baomidou.mybatisplus.core.injector.ISqlInjector;
import com.baomidou.mybatisplus.extension.injector.LogicSqlInjector;
import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
import com.baomidou.mybatisplus.extension.plugins.pagination.optimize.JsqlParserCountOptimize;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * @ClassName Config
 * @Description TODO
 * @Author Gaosl
 * @Date 2020/12/3 21:14
 * @Version 1.0
 */
@Configuration
@MapperScan({"com.snow.campuslink.user.mapper","com.snow.campuslink.bbs.mapper","com.snow.campuslink.*.mapper"})
public class MybatisPlusConfig {

    @Bean
    public PaginationInterceptor paginationInterceptor() {
        PaginationInterceptor paginationInterceptor = new PaginationInterceptor();
        // 设置请求的页面大于最大页后操作， true调回到首页，false 继续请求  默认false
        // paginationInterceptor.setOverflow(false);
        // 设置最大单页限制数量，默认 500 条，-1 不受限制
        // paginationInterceptor.setLimit(500);
        // 开启 count 的 join 优化,只针对部分 left join
        //  paginationInterceptor.setCountSqlParser(new JsqlParserCountOptimize(true));

        return paginationInterceptor;
    }

    @Bean
    public ISqlInjector sqlInjector() {
        return new LogicSqlInjector();
    }


}
